WE DO NOT COLLECT YOUR DATA: No information you put into our app will leave your device. We made our app free because we want to help improve contraceptive education :) Learn more at https://pregnancychancecalculator.com Introducing the Pregnancy Chance Calculator - the world's premier tool for accurately estimating your chances of conception, grounded in modern peer-reviewed science, mathematics, and statistics. Developed by a team of experts, this app gives you control and knowledge when it c